Patch "net: bridge: fix multicast-to-unicast with fraglist GSO" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    net: bridge: fix multicast-to-unicast with fraglist GSO

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-bridge-fix-multicast-to-unicast-with-fraglist-gs.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 9938096ea013b48fec71823f5ed4345401527805
Author: Felix Fietkau <nbd@xxxxxxxx>
Date:   Sat Apr 27 20:24:18 2024 +0200

    net: bridge: fix multicast-to-unicast with fraglist GSO
    
    [ Upstream commit 59c878cbcdd80ed39315573b3511d0acfd3501b5 ]
    
    Calling skb_copy on a SKB_GSO_FRAGLIST skb is not valid, since it returns
    an invalid linearized skb. This code only needs to change the ethernet
    header, so pskb_copy is the right function to call here.
    
    Fixes: 6db6f0eae605 ("bridge: multicast to unicast")
    Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
    Acked-by: Paolo Abeni <pabeni@xxxxxxxxxx>
    Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
    Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 4e3394a7d7d45..982e7a9ccc41c 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -261,7 +261,7 @@ static void maybe_deliver_addr(struct net_bridge_port *p, struct sk_buff *skb,
 	if (skb->dev == p->dev && ether_addr_equal(src, addr))
 		return;
 
-	skb = skb_copy(skb, GFP_ATOMIC);
+	skb = pskb_copy(skb, GFP_ATOMIC);
 	if (!skb) {
 		DEV_STATS_INC(dev, tx_dropped);
 		return;




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